#!/bin/sh
#
# Copyright (C) 2012-2018  Etersoft
# Copyright (C) 2012-2018  Vitaly Lipatov <lav@etersoft.ru>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#

load_helper epm-query
load_helper epm-print
load_helper epm-sh-warmup

# TODO: port or rewrite apt-file
# https://bugzilla.altlinux.org/show_bug.cgi?id=14449
# see also epm-search-file
__alt_local_content_filelist()
{
    load_helper epm-sh-altlinux
    load_helper epm-sh-altlinux-contents-index
    load_helper epm-check_updated_repo

    check_alt_contents_index || init_alt_contents_index
    update_repo_if_needed
    local CI="$(cat $ALT_CONTENTS_INDEX_LIST)"

    # TODO: safe way to use less or bat
    #local OUTCMD="less"
    #[ -n "$USETTY" ] || OUTCMD="cat"
    OUTCMD="cat"

    {
        [ -n "$USETTY" ] && info "Search in $CI for $1..."
        ercat $CI | grep -h -P -- ".*\t$1$" | sed -e "s|\(.*\)\t\(.*\)|\1|g"
    } | $OUTCMD
}

__deb_local_content_filelist()
{
    showcmd "apt-file list $1 | grep '^$1: ' | sed -e 's|$1: ||g'"
    a='' apt-file list "$1" | grep "^$1: " | sed -e "s|$1: ||g"
}


__epm_filelist_remote()
{
    [ -z "$*" ] && return

    case $BASEDISTRNAME in
        alt)
            # TODO: use RESTful interface to prometeus? See ALT bug #29496
            docmd_foreach __alt_local_content_filelist "$@"
            return
            ;;
    esac

    case $PMTYPE in
        apt-dpkg)
            assure_exists apt-file || return
            if sudo_allowed ; then
                sudocmd apt-file update
            else
                info "sudo requires a password, skip apt-file update"
            fi
            docmd_foreach __deb_local_content_filelist "$@"
            ;;
        packagekit)
            docmd pkcon get-files "$@"
            ;;
        yum-rpm)
            assure_exists yum-utils || return
            docmd repoquery -q -l "$@"
            ;;
        dnf-rpm)
            assure_exists dnf-plugins-core || return
            docmd dnf repoquery -l "$@"
            ;;
        *)
            fatal "Query filelist for non installed packages is not implemented yet."
            ;;
    esac
}

__epm_filelist_file()
{
    local CMD

    [ -z "$*" ] && return

    # TODO: allow a new packages
    case $(get_package_type $1) in
        rpm)
            assure_exists rpm
            CMD="rpm -qlp"
            ;;
        deb)
            assure_exists dpkg
            CMD="dpkg --contents"
            ;;
        eopkg)
            assure_exists eopkg
            CMD="eopkg --files info"
            ;;
        *)
            fatal "Have no suitable query command for $PMTYPE"
            ;;
    esac

    # TODO: add less
    docmd $CMD $@
}

__epm_filelist_name()
{
    local CMD

    [ -z "$*" ] && return

    warmup_lowbase

    case $PMTYPE in
        *-rpm)
            CMD="rpm -ql"
            ;;
        *-dpkg)
            CMD="dpkg -L"
            ;;
        packagekit)
            CMD="pkcon get-files"
            ;;
        android)
            CMD="pm list packages -f"
            ;;
        termux-pkg)
            CMD="pkg files"
            ;;
        conary)
            CMD="conary query --ls"
            ;;
        pacman)
            docmd pacman -Ql $@ | sed -e "s|.* ||g"
            return
            ;;
        emerge)
            assure_exists equery
            CMD="equery files"
            ;;
        homebrew)
            CMD="brew list"
            ;;
        pkgng)
            CMD="pkg info -l"
            ;;
        opkg)
            CMD="opkg files"
            ;;
        apk)
            docmd apk manifest $@ | sed -e 's|^sha1.* |/|'
            return
            ;;
        eopkg)
            docmd eopkg --files -s info $@ | grep "^/"
            return
            ;;
        xbps)
            CMD="xbps-query -f"
            ;;
        aptcyg)
            docmd apt-cyg listfiles $@ | sed -e "s|^|/|g"
            return
            ;;
        slackpkg)
            is_installed $@ || fatal "Query filelist for non installed packages is not implemented yet"
            docmd awk 'BEGIN{desk=1}{if(/^FILE LIST:$/){desk=0} else if (desk==0) {print}}' /var/log/packages/${pkg_filenames}*
            return
            ;;
        *)
            fatal "Have no suitable query command for $PMTYPE"
            ;;
    esac

    # TODO: add less or bat (for any output in the function)
    docmd $CMD $@ && return
    # TODO: may be we need check is installed before prev. line?
    is_installed $@ || __epm_filelist_remote $@
}


epm_filelist()
{
    [ -n "$pkg_filenames" ] || fatal "Filelist: package name is missed"


    __epm_filelist_file $pkg_files || return
    # shellcheck disable=SC2046
    __epm_filelist_name $(print_name $pkg_names) || return

}
